Attachment 3 City of Goleta Allowed Street Tree Species approved 11/15/05.

This list was used as the basis for making future projections of Goleta trees since a parks list has not yet been developed. Minimizing future concrete repair costs are a high priority, thus parkway widths determine how many species are used.

*Genus*	*species*	common name	Pkwy Width	Root Barrier
Chionanthus	retusus	Chinese Fringe	3	no
Lagerstoemia	indica	Crape Myrtle	3	no
Callistemon	citrinus	Lemon Bottlebrush	3	no
Magnolia	grandiflora 'Little Gem'	Little Gem Magnolia	3	yes
Podacarpus	henkelii	Long-Leafed Yellow Wood	3	yes
Prunus	cerasifera	Purple-leafed Plum	3	no
Rhaphiolepis	Majestic Beauty"	Rhaphiolepis	3	no
Tristina	laurina	Swamp Myrtle or Watergum	3	no
Arbutus	marina	Arbutus 'Marina'	4	yes
Geijera	parviflora	Australian Willow	4	yes
Lophostemon	conferta	Brisbane Box	4	yes
Eriobotrya	deflexa	Bronze Loquat	4	no
Koelreuteria	bipinnata	Chinese Flame Tree	4	yes
Ginkgo	biloba	Chinese Maidenhair Tree	4	yes
Pistachia	chenensis	Chinese Pistache	4	yes
Stenocarpus	sinuatus	Firewheel	4	yes
Cassia	leptophylia	Gold Medallion	4	no
Bauhinia	blakeana	Hong Kong Orchid	4	no
Calocedrus	decurrens	Incense Cedar	4	yes
Metrosideros	excelsus	New Zealand Christmas Tree	4	yes
Pyrus	calleryana'Aristocrat'	Ornamental Pear	4	yes
Agonis	flexuosa	Peppermint Tree	4	Yes
Tababuia	ipe or impetiginosa	Pink Trumpet Tree	4	no
Acacia	stenophyllia	Shoestring acacia	4	no
Albizzia	julibrissin	Silk Tree Mimosa	4	yes
Hymenosporum	flavum	Sweetshade	4	yes
Callistemon	viminalis	Weeping Bottlebrush	4	yes
Lynonothamnus	asplenifolius	Catalina Ironwood	4	yes
Umbellularia	californica	California Bay Laurel	5	yes
Calodendrum	capense	Cape Chestnut	5	yes
Quercus	suber	Cork Oak	5	yes
Brachychiton	acerifolius	Flame Bottle Tree	5	yes
Jacaranda	mimosifolia	Jacaranda	5	yes
Melaleuca	quinquinervia	Paperbark	5	yes
Lauris	nobilis 'saratoga'	Sweetbay/Grecian Laurel	5	yes
Quercus	tomentella	Island Oak	5	yes
Quercus	virginiana	Southern Live Oak	5	yes
Cinnamomum	camphora	Camphor	6	yes
Pinus	canariensis	Canary Island Pine	6	yes
Citrus	sinensis	Citrus 'Lemon or orange'	6	no
Quercus -	agrifolia	Coast Live Oak	6	no
Podocarpus	gracilior	Fern Podacarpus	6	yes
Olea	europea 'Swan Hill'	Fruitless Olive	6	yes
Koelreuteria	paniculata	Goldenrain tree	6	yes
Pinus	pinea	Italian Stone Pine	6	yes
Magnolia	grandiflora	Southern Magnolia	6	yes
Platanus	racemosa	California Sycamore	6	yes

Attachment 4 – Tree Species Categories used for STRATUM Analysis

The growth rate of specific types of tree species is based on research by the Center for Urban Forest Research. The Berkeley area data was chosen as being most representative of the growth rates in the Goleta area. Trees in each category were measured till their normal death or until they reached 45" DBH.
The chart below lists how many years of tree growth are projected in each DBH range before the tree moves to the next DBH range. For example, the Platanus x acerifolia normally takes 4 years to grow to a DBH of at least 1”, which is the minimum DBH assumed for newly planted trees in Goleta. Once it is planted at the age of 4, it will take another 8 years for a total of 12 years to move from the 0-6 DBH range and into the 7-12” DBH range, where it will take another 11 years of growth (the tree now being 23 years old) before moving into the 13-18” DBH range, and so on till the tree’s projected death at age 113 (some rounding involved).
				Years	that	tree	remains	within	range
			1" DBH at yr below	0-6 DBH	7-12 DBH	13-18 DBH	19-24 DBH	25-30 DBH	31+ DBH
Broadleaf Deciduous Large Other	BDL	Platanus x acerifolia	4 yrs	12	11	12	14	17	45
Broadleaf Deciduous Medium Other	BDM	Liquidambar styraciflua	3 yrs	12	11	14	17	22	55
Broadleaf Deciduous Small Other	BDS	Prunus cerasifera	2 yrs	19	15	14	12
Broadleaf Evergreen Large Other	BEL	Quercus agrifolia	2 yrs	11	10	10	10	11	27
Broadleaf Evergreen Medium Other	BEM	Cinnamomum camphora	1 yr	23	19	17	16	14	31
Broadleaf Evergreen Small Other	BES	Pyrus kawakamii	1 yr	11	12	11	10	6
Conifer Evergreen Large Other	CEL	Pinus radiata	2 yrs	10	9	9	9	11	21
Conifer Evergreen Medium Other	CEM	Pinus brutia	3 yrs	6	6	7	15
Conifer Evergreen Small Other	CES	Pinus contorta	5 yrs	13	17	16
Palm Evergreen Large Other	PEL	Phoenix canariensis	1 yr	15	15	15	15	15
Palm Evergreen Medium Other	PEM	Phoenix dctylifera	1 yr	6	11	16	20	24
Palm Evergreen Small Other	PES	Washingtonia robusta	1 yr	15	15	15	15	15

Attachment 5 –Projecting number of trees in new development-City of Goleta

The acreage per proposed land use is multiplied by the average number of public trees for current land uses, and assigned to species categories according to the city’s desired diversity of tree species at buildout.

BES/M/L – Broadleaf Evergreen Small/Medium/Large

BDS/M/L – Broadleaf Deciduous Small/Medium /Large

CES/M/L – Conifer Evergreen Small/Medium/Large

Proposed Use	Acreage	Avg Trees	Trees	BES	BEM	BEL	BDS	BDM	BDL	CES	CEM	CEL
Business Park	22	10	221	0	91	129	0	0	0	0	0	0
General Commercial	12	5	58	0	15	44	0	0	0	0	0	0
General Industry	6	5	30	0	0	0	0	0	0	0	0	29
High Density Multi-Family	1	10	8	0	0	0	0	3	6	0	0	0
Highway-related	2	5	9	0	0	9	0	0	0	0	0	0
Moderate Density Multi-Family	123	10	1228	0	0	0	211	394	625	0	0	0
Neighborhood	9	5	47	0	0	0	11	13	23	0	0	0
Office and Institutional	9	10	94	0	0	0	13	31	51	0	0	0
Old Town	4	5	19	0	0	0	3	5	11	0	0	0
Open Space / Passive Recreation	7	10	65	0	0	0	8	24	31	0	0	0
Planned	25	10	246	0	0	0	42	76	127	0	0	0
Public / Quasi Public	7	10	66	0	0	0	10	20	36	0	0	0
Recreation	3	10	34	0	0	0	5	10	19	0	0	0
Services	44	5	221	0	0	0	20	60	141	0	0	0
Single-Family	21	10	212	0	0	0	43	73	95	0	0	0
Visitor serving	13	5	67	0	0	0	12	22	33	0	0	0
TOTAL ACREAGE IN VACANT LAND SITES	307		2624	0	106	182	378	731	1198	0	0	29

Attachment 6 Proposed Tree Planting Rate –City of Goleta

The planting rate assumes a maximum 500 trees a year added to the park and street tree inventory beginning at year 1 until all projected available planting locations are filled The 500 trees are distributed between street tree and park trees for the first four years. An additional 500 trees a year are added from new development in years 5, 10, 15, 20, and 634 in year 25. These figures do not include new trees planted each year to replace trees previously in the inventory that were lost.

Year	Park Trees	Street Trees	Total
1	3329	6928	10257
2	3520	7198	10718
3	3718	7469	11187
4	3714	7922	11636
5	3717	8900	12617
6	3711	9280	12991
7	3715	9280	12995
8	3715	9283	12998
9	3712	9280	12992
10	3713	9808	13521
11	3714	9805	13519
12	3714	9805	13519
13	3712	9801	13513
14	3712	9807	13519
15	3715	10329	14044
16	3717	10330	14047
17	3717	10325	14042
18	3715	10327	14042
19	3715	10331	14046
20	3717	10853	14570
21	3714	10851	14565
22	3716	10857	14573
23	3718	10850	14568
24	3716	10855	14571
25	3716	11377	15093

Attachment 7 – Cost Assumptions in STRATUM model – City of Goleta

1. Pruning - Leave the total base year cost of $104,836 unless there is a change in the level of service, i.e. no inflation increase
2. Program Admin - Add young tree Maintenance coordinator in year 3 $50,000 annually + $50,0001-time expenses
3. Program Admin - Add increased level of service from a half time to a full time arborist in year 5 = $50,000 annually
4. Pruning - Add $30 per tree pruning at 7th year after planting (double current 2007 amount)
5. Pruning -Increase pruning cost by $30 additional per tree in 12th year after planting
6. Pruning - Increase pruning cost by $30 additional per tree in 17th year after planting
7. Pruning - increase pruning cost by $30 additional per tree in 22nd year after planting
8. Planting - Increase one time root shield installation costs of $50 per street tree($25 shields, $10 equipment rental, $15 labor)
	Ex- year 2 - 270 new trees added X $50 = $13,500
9. All installation and 2 year establishment costs for 2634 development trees paid by developers after which city assumes maintenance
10. One time backlog of park tree maintenance costs paid for by Prop 40 funds
11. Costs for new tree installation and 2 year establishment paid for through grants and nonprofit coordination. For items one through seven, cost were assumed to be split 25% for parks and 75% for street trees. Item eight is 100% street cost

Attachment 8 – Benefit Assumptions in STRATUM model – City of Goleta

Benefit Assumptions

1. All trees planted are 15 gallon with 1" DBH when planted

Example - For CICA, that would be the third year of growth

2. Trees increase in growth rate according to the Berkeley growth rate analysis

3. City begins planting 500 trees a year in 2008/2009 fiscal year, 250 street trees, 250 park trees

4. New development tree planting assumptions - year 5 - 500, year 10 - 500, year 15 - 500, year 20 - 500,

year 25 - 634, all initial costs paid by developers

5. Mortality rate of existing trees - Assume most trees planted in 1960 and calculate morbidity based on a

1% of the total species dying each year, i.e. about 50

A percentage of a tree whether it dies or is replanted should be converted to one tree, ex.01 tree= 1 tree

6. Mortality rate of future trees based on Journal report-Significance of Young Urban Tree Mortality on SIP Planning

a. first four years establishment mortality rate High 9% (year 1 3%, year 2 2%, year 3 2%, year 4 2%

b. Post establishment rate average 1% loss per year

c. Cumulative 25 year survival rate low-average 70%

d. General mortality assumptions; temperate climate, trained volunteers, monitoring of planting, high quality tree stock,

low stress planting sites, post planting care, community involvement

e. A percentage of a tree whether it dies or was replanted should be converted to one tree, ex.01 tree= 1 tree

7. In addition to new trees, all trees that die will be replaced the following year on a one to one basis

8. Six DBH ranges 0-6"(6"), 6-12(7-12), 12-18(13-18), 18-24(19-24), 24-30(25-30), 30+(31+)

9. Assumes first year of cost-benefit stream will be 2008-2009, beginning July 1, 2008.

Trees planted in that year will assume full benefit for entire year.

10. Stratum undercounts benefits when new trees are added to the model because the trees are planted

at a later age (with more DBH) that the growth rate assumptions in the model.

Attachment 9 -STRATUM 25 yr. benefit and cost results by year and total – (not discounted)

While we expected the benefit/cost ratio to increase rather than decrease over time, the new

tree species are significantly smaller at maturity than previous species, producing less environmental

benefits. The 1% projected mortality rate also continually places a number of new trees into the

system, which have lower environmental benefits than mature trees.

Year/Category	Number	Cost	Benefit	Net Benefit	Benefit-cost ratio
1/Street Trees	6,928	$ 263,492	$ 476,839	$ 213,347	1.81
Park Trees	3,329	$ 87,830	$ 166,735	$ 78,905	1.90
Total Trees	10,257	$ 351,322	$ 643,574	$ 292,252	1.83

2/Street Trees	7,198	$ 263,492	$ 476,839	$ 213,347	1.81
Park Trees	3,520	$ 87,830	$ 166,735	$ 78,905	1.90
Total Trees	10,718	$ 351,322	$ 643,574	$ 292,252	1.83

3/Street Trees	7,469	$ 286,992	$ 494,589	$ 207,597	1.72
Park Trees	3,718	$ 87,830	$ 171,684	$ 83,854	1.95
Total Trees	11,187	$ 374,822	$ 666,273	$ 291,451	1.78

4/Street Trees	7,922	$ 352,042	$ 512,234	$ 160,192	1.46
Park Trees	3,714	$ 112,830	$ 176,844	$ 64,014	1.57
Total Trees	11,636	$ 464,872	$ 689,078	$ 224,206	1.48

5/Street Trees	8,900	$ 323,642	$ 537,347	$ 213,705	1.66
Park Trees	3,717	$ 100,330	$ 175,673	$ 75,343	1.75
Total Trees	12,617	$ 423,972	$ 713,020	$ 289,048	1.68

6/Street Trees	9,280	$ 387,392	$ 589,569	$ 202,177	1.52
Park Trees	3,716	$ 112,830	$ 174,692	$ 61,862	1.55
Total Trees	12,996	$ 500,222	$ 764,261	$ 264,039	1.53

7/Street Trees	9,280	$ 387,392	$ 589,569	$ 202,177	1.52
Park Trees	3,716	$ 112,830	$ 174,692	$ 61,862	1.55
Total Trees	12,996	$ 500,222	$ 764,261	$ 264,039	1.53

8/Street Trees	9,283	$ 345,698	$ 614,959	$ 269,261	1.78
Park Trees	3,715	$ 112,830	$ 173,298	$ 60,468	1.54
Total Trees	12,998	$ 458,528	$ 788,257	$ 329,729	1.72

9/Street Trees	9,280	$ 409,052	$ 619,891	$ 210,839	1.52
Park Trees	3,712	$ 124,410	$ 172,303	$ 47,893	1.38
Total Trees	12,992	$ 533,462	$ 792,194	$ 258,732	1.49

10/Street Trees	9,808	$ 409,292	$ 624,647	$ 215,355	1.53
Park Trees	3,713	$ 120,540	$ 171,936	$ 51,396	1.43
Total Trees	13,521	$ 529,832	$ 796,583	$ 266,751	1.50

11/Street Trees	9,805	$ 409,052	$ 631,137	$ 222,085	1.54
Park Trees	3,714	$ 124,320	$ 173,834	$ 49,514	1.40
Total Trees	13,519	$ 533,372	$ 804,971	$ 271,599	1.51

12/Street Trees	9,805	$ 409,052	$ 631,137	$ 222,085	1.54
Park Trees	3,714	$ 124,320	$ 173,834	$ 49,514	1.40
Total Trees	13,519	$ 533,372	$ 804,971	$ 271,599	1.51

13/Street Trees	9,801	$ 451,292	$ 666,609	$ 215,317	1.48
Park Trees	3,712	$ 124,350	$ 177,210	$ 52,860	1.43
Total Trees	13,513	$ 575,642	$ 843,819	$ 268,177	1.47

14/Street Trees	9,807	$ 424,802	$ 675,743	$ 250,941	1.59
Park Trees	3,712	$ 90,630	$ 180,599	$ 89,969	1.99
Total Trees	13,519	$ 515,432	$ 856,342	$ 340,910	1.66

15/Street Trees	10,329	$ 511,112	$ 686,978	$ 175,866	1.34
Park Trees	3,715	$ 135,930	$ 181,826	$ 45,896	1.34
Total Trees	14,044	$ 647,042	$ 868,804	$ 221,762	1.34

16/Street Trees	10,330	$ 510,872	$ 713,087	$ 202,215	1.40
Park Trees	3,717	$ 135,810	$ 181,870	$ 46,060	1.34
Total Trees	14,047	$ 646,682	$ 894,957	$ 248,275	1.38

17/Street Trees	10,325	$ 510,872	$ 713,087	$ 202,215	1.40
Park Trees	3,717	$ 135,810	$ 181,870	$ 46,060	1.34
Total Trees	14,042	$ 646,682	$ 894,957	$ 248,275	1.38

18/Street Trees	10,327	$ 511,532	$ 730,763	$ 219,231	1.43
Park Trees	3,715	$ 135,810	$ 181,747	$ 45,937	1.34
Total Trees	14,042	$ 647,342	$ 912,510	$ 265,168	1.41

19/Street Trees	10,331	$ 568,652	$ 766,473	$ 197,821	1.35
Park Trees	3,715	$ 135,990	$ 181,779	$ 45,789	1.34
Total Trees	14,046	$ 704,642	$ 948,252	$ 243,610	1.35

20/Street Trees	10,853	$ 542,662	$ 771,110	$ 228,448	1.42
Park Trees	3,717	$ 136,110	$ 181,753	$ 45,643	1.34
Total Trees	14,570	$ 678,772	$ 952,863	$ 274,091	1.40

21/Street Trees	10,851	$ 644,222	$ 776,881	$ 132,659	1.21
Park Trees	3,714	$ 147,750	$ 181,816	$ 34,066	1.23
Total Trees	14,565	$ 791,972	$ 958,697	$ 166,725	1.21

22/Street Trees	10,857	$ 644,222	$ 776,881	$ 132,659	1.21
Park Trees	3,716	$ 147,750	$ 181,816	$ 34,066	1.23
Total Trees	14,573	$ 791,972	$ 958,697	$ 166,725	1.21

23/Street Trees	10,850	$ 644,322	$ 797,362	$ 153,040	1.24
Park Trees	3,718	$ 147,570	$ 181,816	$ 34,246	1.23
Total Trees	14,568	$ 791,892	$ 979,178	$ 187,286	1.24

24/Street Trees	10,855	$ 644,962	$ 806,435	$ 161,473	1.25
Park Trees	3,716	$ 147,570	$ 181,784	$ 34,214	1.23
Total Trees	14,571	$ 792,532	$ 988,219	$ 195,687	1.25

25/Street Trees	11,377	$ 717,842	$ 839,099	$ 121,257	1.17
Park Trees	3,716	$ 147,750	$ 182,546	$ 34,796	1.24
Total Trees	15,093	$ 865,592	$ 1,021,645	$ 156,053	1.18

			Total 25 years	$ 6,298,433
			Avg. annual	$ 251,937

Acknowledgments

E. Gregory McPherson, Scot Maco, Kelaine Vargas, Douglas Hartley, Joe Bauer, Dan Condon, Bill Millar, Bailey Hudson, Ray Tretheway, Goleta Valley Beautiful Board of Directors, Nancy Knight

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